1.  class(n = noun.group) category, family - a collection of things sharing a common attribute; "there are two classes of detergents"
is a kind of accumulation, aggregation, assemblage, collection
has particulars: grammatical category, syntactic category, paradigm, substitution class, brass family, violin family, woodwind family, stamp, sex, declension, conjugation, denomination, histocompatibility complex
Derived forms verb class₁, verb classify₁, verb classify₃

2.  class(n = noun.group) course, form, grade - a body of students who are taught together; "early morning classes are always sleepy"
is a kind of assemblage, gathering
has particulars: master class, discussion section, section

3.  class(n = noun.group) social class, socio-economic class, stratum - people having the same social, economic, or educational status; "the working class"; "an emerging professional class"
is a kind of people
is a part of society
is a member of class structure
has particulars: domain, world, age class, agriculture, brotherhood, fraternity, sodality, estate, estate of the realm, the three estates, labor, labour, proletariat, working class, lower class, underclass, bourgeoisie, middle class, booboisie, commonality, commonalty, commons, peasantry, demimonde, underworld, yeomanry, caste, caste, upper class, upper crust, ninja, firing line, immigrant class, center, old school, market, craft, trade, fair sex, woman, womanhood
Derived forms verb classify₁, verb classify₃

4.  class(n = noun.act) course, course of instruction, course of study - education imparted in a series of lessons or meetings; "he took a course in basket weaving"; "flirting is not unknown in college classes"
is a kind of didactics, education, educational activity, instruction, pedagogy, teaching
has parts: coursework, lesson, lecture, lecturing, class period, course session, recitation
has particulars: adult education, art class, childbirth-preparation class, correspondence course, course of lectures, directed study, elective, elective course, extension course, home study, industrial arts, orientation, orientation course, propaedeutic, propaedeutics, refresher, refresher course, required course, seminar, shop, shop class, workshop

5.  class(n = noun.group) division - a league ranked by quality; "he played baseball in class D for two years"; "Princeton is in the NCAA Division 1-AA"
is a kind of conference, league
Derived forms verb classify₁, verb classify₃

6.  class(n = noun.group) year - a body of students who graduate together; "the class of '97"; "she was in my year at Hoehandle High"
is a kind of assemblage, gathering
has particulars: graduating class, senior class, junior class, sophomore class, freshman class

7.  class(n = noun.group) - (biology) a taxonomic group containing one or more orders;
is a kind of taxon, taxonomic category, taxonomic group
is a member of phylum
has particulars: class schizomycetes, schizomycetes, class cyanobacteria, class cyanophyceae, cyanophyceae, class sarcodina, sarcodina, actinopoda, subclass actinopoda, rhizopoda, subclass rhizopoda, ciliata, ciliophora, class ciliata, class ciliophora, infusoria, subclass infusoria, chrysophyceae, class chrysophyceae, class heterokontae, heterokontae, class xanthophyceae, xanthophyceae, bacillariophyceae, class bacillariophyceae, class diatomophyceae, diatomophyceae, class phaeophyceae, phaeophyceae, class cyclosporeae, cyclosporeae, class euglenophyceae, euglenophyceae, chlorophyceae, class chlorophyceae, class ulvophyceae, ulvophyceae, charophyceae, class charophyceae, class rhodophyceae, rhodophyceae, class flagellata, class mastigophora, flagellata, mastigophora, subclass zoomastigina, zoomastigina, phytomastigina, subclass phytomastigina, class cryptophyceae, cryptophyceae, class sporozoa, sporozoa, subclass telosporidia, telosporidia, acnidosporidia, subclass acnidosporidia, cnidosporidia, subclass cnidosporidia, ascidiaceae, class ascidiaceae, class thaliacea, thaliacea, class larvacea, larvacea, agnatha, superclass agnatha, gnathostomata, superclass gnathostomata, class placodermi, placodermi, chondrichthyes, class chondrichthyes, holocephali, subclass holocephali, elasmobranchii, selachii, subclass elasmobranchii, subclass selachii, aves, class aves, archaeornithes, subclass archaeornithes, amphibia, class amphibia, class reptilia, reptilia, anapsida, subclass anapsida, lepidosauria, subclass lepidosauria, archosauria, subclass archosauria, subclass synapsida, synapsida, chelicerata, superclass chelicerata, arachnida, class arachnida, superclass myriapoda, class pauropoda, pauropoda, class symphyla, symphyla, class tardigrada, tardigrada, chilopoda, class chilopoda, class diplopoda, class myriapoda, diplopoda, myriapoda, class mammalia, mammalia, prototheria, subclass prototheria, pantotheria, subclass pantotheria, metatheria, subclass metatheria, eutheria, subclass eutheria, class hyalospongiae, hyalospongiae, class scyphozoa, scyphozoa, class hydrozoa, hydrozoa, actinozoa, anthozoa, class actinozoa, class anthozoa, class nuda, nuda, class tentaculata, tentaculata, class turbellaria, turbellaria, class trematoda, trematoda, cestoda, class cestoda, aphasmidia, class aphasmidia, class phasmidia, phasmidia, archiannelida, class archiannelida, class oligochaeta, oligochaeta, class polychaeta, polychaeta, class hirudinea, hirudinea, class scaphopoda, scaphopoda, class gasteropoda, class gastropoda, gasteropoda, gastropoda, opisthobranchia, subclass opisthobranchia, amphineura, subclass amphineura, class polyplacophora, polyplacophora, bivalvia, class bivalvia, class lamellibranchia, class pelecypoda, lamellibranchia, cephalopoda, class cephalopoda, dibranchia, dibranchiata, subclass dibranchia, subclass dibranchiata, class crustacea, crustacea, malacostraca, subclass malacostraca, entomostraca, subclass entomostraca, branchiopoda, subclass branchiopoda, copepoda, subclass copepoda, ostracoda, subclass ostracoda, cirripedia, subclass cirripedia, class onychophora, onychophora, class hexapoda, class insecta, hexapoda, insecta, exopterygota, hemimetabola, subclass exopterygota, asteroidea, class asteroidea, class ophiuroidea, ophiuroidea, ophiurida, subclass ophiurida, euryalida, subclass euryalida, class echinoidea, echinoidea, class crinoidea, crinoidea, class holothuroidea, holothuroidea, hominoidea, superfamily hominoidea, channidae, class channidae, class osteichthyes, osteichthyes, crossopterygii, subclass crossopterygii, dipnoi, subclass dipnoi, subclass teleostei, teleostei, anthoceropsida, class anthoceropsida, bryopsida, class bryopsida, class musci, musci, class hepaticae, class hepaticopsida, hepaticae, hepaticopsida, class gymnospermae, division gymnospermophyta, gymnospermae, gymnospermophyta, class gnetopsida, gnetophyta, gnetophytina, gnetopsida, subdivision gnetophytina, class cycadopsida, cycadophyta, cycadophytina, cycadopsida, subdivision cycadophyta, subdivision cycadophytina, class pteridospermopsida, pteridospermopsida, class coniferopsida, coniferophyta, coniferophytina, coniferopsida, subdivision coniferophytina, class pinopsida, pinophytina, pinopsida, subdivision pinophytina, class taxopsida, subdivision taxophytina, taxophytina, taxopsida, class ginkgophytina, class ginkgopsida, ginkgophytina, ginkgopsida, subdivision ginkgophyta, subdivision ginkgophytina, angiospermae, anthophyta, class angiospermae, division anthophyta, division magnoliophyta, magnoliophyta, class dicotyledonae, class dicotyledones, class magnoliopsida, dicotyledonae, dicotyledones, magnoliopsida, magnoliidae, ranalian complex, subclass magnoliidae, class liliopsida, class monocotyledonae, class monocotyledones, liliopsida, monocotyledonae, monocotyledones, alismatidae, subclass alismatidae, arecidae, subclass arecidae, commelinidae, subclass commelinidae, caryophyllidae, subclass caryophyllidae, asteridae, subclass asteridae, rosidae, subclass rosidae, hamamelidae, subclass hamamelidae, dilleniidae, subclass dilleniidae, liliidae, subclass liliidae, class zygomycetes, zygomycetes, class myxomycetes, myxomycetes, acrasiomycetes, class acrasiomycetes, class oomycetes, oomycetes, chytridiomycetes, class chytridiomycetes, class eumycetes, eumycetes, class deuteromycetes, deuteromycetes, basidiomycetes, class basidiomycetes, homobasidiomycetes, subclass homobasidiomycetes, heterobasidiomycetes, subclass heterobasidiomycetes, class hymenomycetes, hymenomycetes, ascomycetes, class ascomycetes, euascomycetes, subclass euascomycetes, class hemiascomycetes, hemiascomycetes, class plectomycetes, plectomycetes, class pyrenomycetes, pyrenomycetes, discomycetes, subclass discomycetes, class gasteromycetes, class gastromycetes, gasteromycetes, gastromycetes, class tiliomycetes, tiliomycetes, class filicinae, class filicopsida, filicinae, filicopsida, class psilopsida, class psilotatae, psilopsida, psilotatae, class equisetatae, class sphenopsida, equisetatae, sphenopsida, class lycopodiate, class lycopsida, lycopodiate, lycopsida, class lycopodineae, lycopodineae
Derived forms verb classify₁, verb classify₃

8.  class(n = noun.attribute) - elegance in dress or behavior; "she has a lot of class"
is a kind of elegance
Derived form adjective classy₁

   class(v = verb.cognition) assort, classify, separate, sort, sort out - arrange or order by classes or categories; "How would you classify these pottery shards--are they prehistoric?"
is one way to categorise, categorize
Derived form noun class₁
Sample sentences: Somebody ----s something; Somebody ----s somebody

1.  A group of individuals ranked together as possessing common characteristics; as, the different classes of society; the educated class; the lower classes. [1913 Webster]

2.  A number of students in a school or college, of the same standing, or pursuing the same studies. [1913 Webster]

3.  A comprehensive division of animate or inanimate objects, grouped together on account of their common characteristics, in any classification in natural science, and subdivided into orders, families, tribes, genera, etc. [1913 Webster]

4.  A set; a kind or description, species or variety. [1913 Webster]
"She had lost one class energies." [1913 Webster]

5.  One of the sections into which a church or congregation is divided, and which is under the supervision of a class leader. [1913 Webster]

6.  One session of formal instruction in which one or more teachers instruct a group on some subject. The class may be one of a course of classes, or a single special session. [PJC]

7.  A high degree of elegance, in dress or behavior; the quality of bearing oneself with dignity, grace, and social adeptness. [PJC]

1.  To arrange in classes; to classify or refer to some class; as, to class words or passages. [1913 Webster]
" In scientific arrangement, to classify is used instead of to class." Dana. [1913 Webster]

2.  To divide into classes, as students; to form into, or place in, a class or classes. [1913 Webster]

   To be grouped or classed. [1913 Webster]
"The genus or family under which it classes." [1913 Webster]

   exhibiting refinement and high character; as, a class act. Opposite of low-class [PJC]

class, n. & v.
--n.
1 any set of persons or things grouped together, or graded or differentiated from others esp. by quality (first class; economy class).
2 a a division or order of society (upper class; professional classes). b a caste system, a system of social classes. c (the classes) archaic the rich or educated.
3 colloq. distinction or high quality in appearance, behaviour, etc.; stylishness.
4 a a group of students or pupils taught together. b the occasion when they meet. c their course of instruction.
5 US all the college or school students of the same standing or graduating in a given year (the class of 1990).
6 (in conscripted armies) all the recruits of a given year (the 1950 class).
7 Brit. a division of candidates according to merit in an examination.
8 Biol. a grouping of organisms, the next major rank below a division or phylum.
--v.tr. assign to a class or category.

Idiom:
class-conscious aware of and reacting to social divisions or one's place in a system of social class. class-consciousness this awareness. class-list Brit. a list of candidates in an examination with the class achieved by each. class war conflict between social classes. in a class of (or on) its (or one's) own unequalled. no class colloq. lacking quality or distinction.

Etymology:
L classis assembly

VB  reduce to order, bring into order, introduce order into, rally, arrange, dispose, place, form, put in order, set in order, place in order, set out, collocate, pack, marshal, range, size, rank, group, parcel out, allot, distribute, deal, cast the parts, assign the parts, dispose of, assign places to, assort, sort, sift, riddle, put to rights, set to rights, put into shape, put in trim, put in array, apportion, class, classify, divide, file, string together, thread, register, catalogue, tabulate, index, graduate, digest, grade, methodize, regulate, systematize, coordinate, organize, settle, fix, unravel, disentangle, ravel, card, disembroil, feaze.

N  class, division, category, categorema, head, order, section, department, subdepartment, province, domain, kind, sort, genus, species, variety, family, order, kingdom, race, tribe, caste, sept, clan, breed, type, subtype, kit, sect, set, subset, assortment, feather, kidney, suit, range, gender, sex, kin, manner, description, denomination, designation, rubric, character, stamp predicament, indication, particularization, selection, specification, similarity.

N  learner, scholar, student, pupil, apprentice, prentice, journeyman, articled clerk, beginner, tyro, amateur, rank amateur, abecedarian, alphabetarian, alumnus, eleve, recruit, raw recruit, novice, neophyte, inceptor, catechumen, probationer, seminarian, chela, fellow-commoner, debutant, intern, resident, schoolboy, fresh, freshman, frosh, junior soph, junior, senior soph, senior, sophister, sophomore, questionist, undergraduate, graduate student, law student, medical student, pre-med, post-doctoral student, post-doc, matriculated student, part-time student, night student, auditor, class, grade, seminar, form, remove, pupilage, disciple, follower, apostle, proselyte, fellow-student, condisciple, school, in statu pupillari, in leading strings, practise makes perfect.

N  school, academy, university, alma mater, college, seminary, Lyceum, institute, institution, palaestra, Gymnasium, class, seminar, day school, boarding school, preparatory school, primary school, infant school, dame's school, grammar school, middle class school, Board school, denominational school, National school, British and Foreign school, collegiate school, art school, continuation school, convent school, County Council school, government school, grant-in-aid school, high school, higher grade school, military school, missionary school, naval school, naval academy, state-aided school, technical school, voluntary school, school, school of art, kindergarten, nursery, creche, reformatory, pulpit, lectern, soap box desk, reading desk, ambo, lecture room, theater, auditorium, amphitheater, forum, state, rostrum, platform, hustings, tribune, school book, horn book, text book, grammar, primer, abecedary, rudiments, manual, vade mecum, encyclopedia, cyclopedia, Lindley Murray, Cocker, dictionary, lexicon, professorship, lectureship, readership, fellowship, tutorship, chair, School Board Council of Education, Board of Education, Board of Studies, Prefect of Studies, Textbook Committee, propaganda, scholastic, academic, collegiate, educational, ex cathedra.

1st class, age class, art class, biology class, cabin class, chemistry class, childbirth-preparation class, class acrasiomycetes, class act, class actinozoa, class action, class amphibia, class angiospermae, class anthoceropsida, class anthozoa, class aphasmidia, class arachnida, class archiannelida, class ascidiaceae, class ascomycetes, class asteroidea, class aves, class bacillariophyceae, class basidiomycetes, class bivalvia, class bryopsida, class cephalopoda, class cestoda, class channidae, class charophyceae, class chilopoda, class chlorophyceae, class chondrichthyes, class chrysophyceae, class chytridiomycetes, class ciliata, class ciliophora, class coniferopsida, class crinoidea, class crustacea, class cryptophyceae, class cyanobacteria, class cyanophyceae, class cycadopsida, class cyclosporeae, class day, class deuteromycetes, class diatomophyceae, class dicotyledonae, class dicotyledones, class diplopoda, class echinoidea, class equisetatae, class euglenophyceae, class eumycetes, class feeling, class fellow, class filicinae, class filicopsida, class flagellata, class gasteromycetes, class gasteropoda, class gastromycetes, class gastropoda, class ginkgophytina, class ginkgopsida, class gnetopsida, class gymnospermae, class hemiascomycetes, class hepaticae, class hepaticopsida, class heterokontae, class hexapoda, class hirudinea, class holothuroidea, class hyalospongiae, class hydrozoa, class hymenomycetes, class insecta, class lamellibranchia, class larvacea, class liliopsida, class list, class lycopodiate, class lycopodineae, class lycopsida, class magnoliopsida, class mammalia, class mastigophora, class merostomata, class monocotyledonae, class monocotyledones, class musci, class myriapoda, class myxomycetes, class nuda, class oligochaeta, class onychophora, class oomycetes, class ophiuroidea, class osteichthyes, class pauropoda, class pelecypoda, class period, class phaeophyceae, class phasmidia, class pinopsida, class placodermi, class plectomycetes, class polychaeta, class polyplacophora, class psilopsida, class psilotatae, class pteridospermopsida, class pyrenomycetes, class reptilia, class rhodophyceae, class sarcodina, class scaphopoda, class schizomycetes, class scyphozoa, class sphenopsida, class sporozoa, class structure, class struggle, class symphyla, class tardigrada, class taxopsida, class tentaculata, class thaliacea, class tiliomycetes, class trematoda, class turbellaria, class ulvophyceae, class war, class warfare, class xanthophyceae, class zygomycetes, english class, first class, form class, fourth class, freshman class, graduating class, immigrant class, junior class, leisure class, life class, low class, lower class, major form class, master class, middle class, physics class, ruling class, second class, senior class, sergeant first class, shop class, social class, socio-economic class, sophomore class, substitution class, sunday school class, third class, tourist class, upper class, word class, working class